Ключевые слова: abstract, art, attract, attraction, backdrop, background, blue, business, cartoon, colorful, concept, design, education, electric, electrical, element, energy, equipment, flat, force, graphic, gravitation, gravity, horseshoe, icon, idea, illustration, iron, isolated, magnet, magnetic, magnetism, metal, north, object, physics, pole, power, science, sign, single, south, symbol, white,